Ignition System: 1H-1
Engine
Ignition System
Schematic and Routing Diagram
Ignition System Diagram
B827H11802001
Refer to “Wire Color Symbols in Section 0A (Page 0A-4)”.
Ignition System Components Location
B827H11802002
Refer to “Electrical Components Location in Section 0A (Page 0A-6)”.
Diagnostic Information and Procedures
Ignition System Symptom Diagnosis
B827H11804001
Spark plug
Ignition
coil
DC-DC
converter
Ignition power
source circuit
Wave form
arrangment
circuit
CPU
Driver
SCR
C
CDI unit
Wave form
arrangment
circuit
Emergency
switch
(E-17)
Fuse
Ignition
switch
Fuse
Battery
Y
Y
Y
Generator
Bl
G
Y
W
Engine
oil temp.
switch
Parking
brake
switch
Ignition/
starter
control
relay
Neutral
switch
Engine
stop switch
I827H1180007-01
Condition
Possible cause
Correction / Reference Item
Spark plug not sparking
Damaged spark plug.
Replace.
Damaged spark plug cap.
Replace.
Fouled spark plug.
Clean or replace.
Wet spark plug.
Clean and dry or replace.
Defective ignition coil.
Replace.
Open or short in high-tension cord.
Replace.
Defective CKP sensor.
Replace.
Defective CDI unit.
Replace.
Engine stalls easily (No
spark)
Fouled spark plug.
Clean or replace.
Defective CKP sensor.
Replace.
Defective CDI unit.
Replace.
Spark plug is wet or
quickly becomes fouled
with carbon
Excessively rich air/fuel mixture.
Adjust Carburetor.
Excessively high idling speed.
Adjust Carburetor.
Incorrect gasoline.
Change.
Dirty air cleaner element.
Clean or replace.
Incorrect spark plug (Cold type).
Change to hot type spark plug.
Summary of Contents for LT-A400
Page 1: ...Printed in Japan K8 9 9 5 0 0 4 3 0 7 0 0 1 E K8 ...
Page 4: ......
Page 66: ...0C 14 Service Data ...
Page 165: ...Engine Lubrication System 1E 18 09930 40113 Rotor holder Page 1E 7 Page 1E 8 ...
Page 232: ...1K 5 Exhaust System ...
Page 258: ...2D 6 Wheels and Tires ...
Page 356: ...3D 24 Propeller Shafts ...
Page 396: ...4D 4 Parking Brake ...
Page 464: ...6B 13 Steering Handlebar ...
Page 501: ...Prepared by December 2007 Part No 99500 43070 01E Printed in Japan 504 ...
Page 502: ...Printed in Japan K8 9 9 5 0 0 4 3 0 7 0 0 1 E K8 ...